Question

explain any four storage devices with their function?

Answer 1

hey frnds....

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External Hard Drive. These are hard drives similar to the type that is installed within a desktop computer or laptop computer. ...

Solid State Drive (SSD) ...

Network Attached Storage (NAS) ...

USB Thumb Drive Or Flash Drive. ...

Optical Drive (CD/ DVD) ...

Cloud Storage.......

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I hope its help you....

sorry for short answer....

Answer 2

There are 3 main types of storage devices=
1.Magnetic Tape
2.Magnetic disk
3.Opitical disk

1.Magnetic Tape
Magnetic tape is the oldest storage device. It is made of plastic coated with magnetic material. Data is stored on magnetic tape in the from of magnetic spots. Tape drive is used to read and write date on Tape. Magnetic disk is sequential access device. it is slower device than magnetic disk and optical disk.Magnetic Tapes are used in rells of different lengths, for example 200, 600, 1200 feet etc.

2.Magnetic disk
A magnetic disk is a thin circular metal or plastic disk coded with magnetic material. Data is stored in the form of magnetic spots. Magnetic disk is random access device. it is faster than magnetic tape. There are 3 main types of magnetic disk=
A.Hard disk
B.Floppy disk
C. Zip disk

3. Optical disk
LASER technology is used to read and write data on Optical disk.LASER stands for light Amplification through Emission on Radiation. Leser beam wirtes on the surface of Optical disk by creating very small holes.The precense of hole represents a Zero. There are following main types of Optical disk.
1. CD-ROM
2.CD-R or WORM
3.CD-RW
4.DVD-ROM
5.DVD-RW
6.DVD-R


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